Meatloaf, though well-loved (like you--Happy Valentine's, friend) is often the source of ridicule. People laugh about it, call others by its name and while they eat it without turning up their noses (in fact, they really want it), it perhaps is wolfed down with a little snotty, eye-raising disdain. When they mention it, their voices lower and, sotto voce, with eyes slanted, they run on about the meatloaf their mothers made with ketchup. On the other hand, if no one is really listening, they are hot on the trail of a good recipe. If you bring up meatloaf at the hairdresser's, ten women will soon be surrounding you, wanting to know how in the (well, you know) you make it and just how good is it? Do you use a mixture of meats? Turkey? If so, how do you flavor it? They want it now.